Electro-assisted fabrication of layer-by-layer assembled poly(2,5-dimethoxyaniline)/phosphotungstic acid modified electrode and electrocatalytic oxidation of ascorbic acid

被引：43
|
作者：
Ragupathy, Dhanusuraman [1 ]
Gopalan, Anantha Iyengar [1 ,2 ]
Lee, Kwang-Pill [1 ,2 ]
Manesh, Kalayil Manian [1 ]
机构：
[1] Kyungpook Natl Univ, Grad Sch, Dept Chem, Taegu 702701, South Korea
[2] Kyungpook Natl Univ, Dept Nanosci & Nanotechnol, Taegu 702701, South Korea
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2008年 / 10卷 / 04期
关键词：
layer-by-layer; conducting polymer; phosphotungstic acid; electro catalytic behaviour; ascorbic acid;
D O I：
10.1016/j.elecom.2008.01.025
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Multilayer films, consisting of poly(2,5-dimethoxyaniline) (PDMA) and phosphotungstic acid (PTA) as alternative layers are assembled on a glassy carbon (GC) electrode to obtain (PDMA/PTA)(n) layer-by-layer (LBL) film, (where n = number of layers of PDMA/PTA) through electrochemical polymerization and chemical treatment with PTA. The film assembly, electrochemical property as well as the electroactivity of GC/(PDMA/PTA)(n) toward oxidation of ascorbic acid (AA) were investigated. The enhanced electrocatalytic activity of LBL (PDMA/PTA)(n) film towards AA was attributed to the existence of tungsten atoms in the interlayer of PDMA that augments the electron transfer processes. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：527 / 530
页数：4
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